21 SeriesExternal gearRotek L9-57E9Z
21E.1455.29.000 Slewing Ring Bearing
21 Series slewing ring bearing, external gear, 1,591 mm OD × 1,305 mm ID. Interchangeable with Rotek L9-57E9Z.
Specifications
| SlewPro part number | 21E.1455.29.000 |
|---|---|
| Series | 21 Series |
| Bearing design | Four-point contact, single-row ball |
| Gear | External gear |
| Raceway diameter | 1,455 mm (57.28 in) |
| Outside diameter | 1,591.1 mm (62.64 in) |
| Inside diameter | 1,305.1 mm (51.38 in) |
| Overall height | 89.9 mm (3.54 in) |
| Outer ring height | 71.1 mm (2.80 in) |
| Outer ring bore | 1,453.4 mm (57.22 in) |
| Inner ring outside diameter | 1,456.4 mm (57.34 in) |
| All diameters on drawing | 62.64 in (1591.1 mm), 57.42 in (1458.5 mm), 57.34 in (1456.4 mm), 57.22 in (1453.4 mm), 57.14 in (1451.4 mm), 54.84 in (1392.9 mm), 51.38 in (1305.1 mm) |
| All heights on drawing | 3.54 in (89.9 mm), 2.80 in (71.1 mm), 0.83 in (21.1 mm) |
| Diametral pitch | 2.5 |
| Number of teeth | 155 |
| Pitch diameter | 62 in |
| Pressure angle | 20° |
| Material | Steel, 50Mn |
| Approx. weight | 554 lb (251 kg) |
Dimensions from our 3D model; confirm against the certified drawing. Load ratings and life calculations available from our engineers.
Crosses to
| Rotek | L9-57E9Z |
|---|
Interchange based on published dimensions; our engineers confirm fit before quoting.
CAD & documents
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